102659143844 has 12 divisors (see below), whose sum is σ = 179667135984. Its totient is φ = 51325676424.

The previous prime is 102659143843. The next prime is 102659143849. The reversal of 102659143844 is 448341956201.

It is not an unprimeable number, because it can be changed into a prime (102659143843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914174 + ... + 1020309.

It is an arithmetic number, because the mean of its divisors is an integer number (14972261332).

Almost surely, 2^102659143844 is an apocalyptic number.

It is an amenable number.

102659143844 is a deficient number, since it is larger than the sum of its proper divisors (77007992140).

102659143844 is a wasteful number, since it uses less digits than its factorization.

102659143844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947754 (or 1947752 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 102659143844 in words is "one hundred two billion, six hundred fifty-nine million, one hundred forty-three thousand, eight hundred forty-four".